US3308520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of splicing tow
Assignee: EIDP Inc
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Filing: 1965-02-10
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Granted: 1967-03-14
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Expires: 1985-02-10
Abstract
No abstract record available.
Inventors
- 👤 David C Gagnon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:13
CPC Classifications
B; B65; B65H; B65H69/00; B65H69/06; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/313; Y; Y10; Y10S; Y10S83/00; Y10S83/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN THE PROCESS OF PREPARING STAPLE FIBER BY ASSEMBLING MULTIFILAMENT ROPES OF SYNTHETIC FILAMENTS INTO A TOW AND FEEDING THE TOW THROUGH A STAPLE CUTTER, WHEREIN INDIVIDUAL LENGTHS OF FILAMENT BUNDLES ARE JOINED END-TOEND TO FORM A CONTINUOUS TOW FOR FEEDING THE STAPLE CUTTER, THE IMPROVEMENT OF JOINING THE ENDS OF FILAMENT BUNDLES BY OVERLAPPING TWO ENDS TO POINT IN OPPOSITE DIRECTIONS WITH A 3-INCH OR GREATER OVERLAP AND PUNCHING FELTING NEEDLES REPEATEDLY THROUGH THE OVERLAPPED PORTIONS A SUFFICIENT NUMBER OF TIMES TO INTERLOCK THE FILAMENTS TO FORM A SPLICE OF AT LEAST 30 POUNDS STRENGTH, AND PASSING THE SPLICED TOW CONTINUOUSLY THROUGH THE STAPLE CUTTER TO CUT ALL OF THE FILAMENTS, INCLUDING THOSE IN THE SPLICED PORTION.
Claim 2
Dependent Claim
118 words
IN THE PROCESS OF PREPARING STAPLE FIBER BY ASSEMBLING MULTIFILAMENT ROPES OF SYNTHETIC FILAMENTS INTO A TOW AND FEEDING THE TOW THROUGH A STAPLE CUTTER, WHEREIN INDIVIDUAL LENGTHS OF FILAMENT BUNDLES ARE JOINED END-TOEND TO FORM A CONTINUOUS TOW FOR FEEDING THE STAPLE CUTTER, THE IMPROVEMENT OF JOINING THE ENDS OF FILAMENT BUNDLES BY OVERLAPPING TWO ENDS TO POINT IN OPPOSITE DIRECTIONS WITH A 3-INCH OR GREATER OVERLAP AND PUNCHING FELTING NEEDLES REPEATEDLY THROUGH THE OVERLAPPED PORTIONS A SUFFICIENT NUMBER OF TIMES TO INTERLOCK THE FILAMENTS TO FORM A SPLICE OF AT LEAST 30 POUNDS STRENGTH, AND PASSING THE SPLICED TOW CONTINUOUSLY THROUGH THE STAPLE CUTTER TO CUT ALL OF THE FILAMENTS, INCLUDING THOSE IN THE SPLICED PORTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |